Home Postcode finder NSW Briarbrook Briarbrook postcode NSW Briarbrook is a locality in New South Wales covered by postcode 2365. Postcode 2365 State or territory New South Wales (NSW) Region NSW North Coast Add a free Briarbrook business listing Be the first listing in Briarbrook Common questionsWhat is the postcode for Briarbrook?Briarbrook, NSW has the postcode 2365.What state is Briarbrook in?Briarbrook is in New South Wales (NSW).Does postcode 2365 cover more than one suburb?Yes. Postcode 2365 covers 26 localities, so the postcode alone does not identify Briarbrook. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.